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Posted to scm@geronimo.apache.org by jd...@apache.org on 2003/08/24 18:15:22 UTC

cvs commit: incubator-geronimo/modules/twiddle/src/test/org/apache/geronimo/twiddle/config StringValueParserTest.java

jdillon     2003/08/24 09:15:22

  Modified:    modules/twiddle/src/java/org/apache/geronimo/twiddle/config
                        StringValueParser.java
  Added:       modules/twiddle/src/test/org/apache/geronimo/twiddle/config
                        StringValueParserTest.java
  Log:
   o Added test for StringValueParser
   o Added variable helpers to StringValueParser
  
  Revision  Changes    Path
  1.7       +50 -1     incubator-geronimo/modules/twiddle/src/java/org/apache/geronimo/twiddle/config/StringValueParser.java
  
  Index: StringValueParser.java
  ===================================================================
  RCS file: /home/cvs/incubator-geronimo/modules/twiddle/src/java/org/apache/geronimo/twiddle/config/StringValueParser.java,v
  retrieving revision 1.6
  retrieving revision 1.7
  diff -u -r1.6 -r1.7
  --- StringValueParser.java	24 Aug 2003 15:06:02 -0000	1.6
  +++ StringValueParser.java	24 Aug 2003 16:15:22 -0000	1.7
  @@ -82,6 +82,10 @@
       
       public StringValueParser(final Map vars)
       {
  +        if (vars == null) {
  +            throw new NullArgumentException("vars");
  +        }
  +        
           context = JexlHelper.createContext();
           context.setVars(vars);
           
  @@ -100,10 +104,47 @@
           return context.getVars();
       }
       
  +    public Object getVariable(final Object name)
  +    {
  +        if (name == null) {
  +            throw new NullArgumentException("name");
  +        }
  +        
  +        return getVariables().get(name);
  +    }
  +    
  +    public Object setVariable(final Object name, final Object value)
  +    {
  +        if (name == null) {
  +            throw new NullArgumentException("name");
  +        }
  +        
  +        return getVariables().put(name, value);
  +    }
  +    
  +    public Object unsetVariable(final Object name)
  +    {
  +        if (name == null) {
  +            throw new NullArgumentException("name");
  +        }
  +        
  +        return getVariables().remove(name);
  +    }
  +    
  +    public void addVariables(final Map map)
  +    {
  +        if (map == null) {
  +            throw new NullArgumentException("map");
  +        }
  +        
  +        getVariables().putAll(map);
  +    }
  +    
       private FlatResolver resolver = new FlatResolver(true);
       
       protected Expression createExpression(final String expression) throws Exception
       {
  +        assert expression != null;
           Expression expr = ExpressionFactory.createExpression(expression);
           expr.addPreResolver(resolver);
           return expr;
  @@ -111,6 +152,10 @@
       
       public Object evaluate(final String expression) throws Exception
       {
  +        if (expression == null) {
  +            throw new NullArgumentException("expression");
  +        }
  +        
           boolean trace = log.isTraceEnabled();
           if (trace) {
               log.trace("Evaluating expression: " + expression);
  @@ -127,6 +172,10 @@
       
       public String parse(final String input)
       {
  +        if (input == null) {
  +            throw new NullArgumentException("input");
  +        }
  +        
           boolean trace = log.isTraceEnabled();
           if (trace) {
               log.trace("Parsing input: " + input);
  
  
  
  1.1                  incubator-geronimo/modules/twiddle/src/test/org/apache/geronimo/twiddle/config/StringValueParserTest.java
  
  Index: StringValueParserTest.java
  ===================================================================
  /* ====================================================================
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 2003 The Apache Software Foundation.  All rights
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution,
   *    if any, must include the following acknowledgment:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowledgment may appear in the software itself,
   *    if and wherever such third-party acknowledgments normally appear.
   *
   * 4. The names "Apache" and "Apache Software Foundation" and
   *    "Apache Geronimo" must not be used to endorse or promote products
   *    derived from this software without prior written permission. For
   *    written permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache",
   *    "Apache Geronimo", nor may "Apache" appear in their name, without
   *    prior written permission of the Apache Software Foundation.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   *
   * ====================================================================
   */
  
  package org.apache.geronimo.twiddle.config;
  
  import junit.framework.Test;
  import junit.framework.TestCase;
  import junit.framework.TestSuite;
  import junit.framework.Assert;
  
  /**
   * Tests for <code>Configuration</code>.
   *
   * @version <code>$Revision: 1.1 $ $Date: 2003/08/24 16:15:22 $</code>
   */
  public class StringValueParserTest
      extends TestCase
  {
      /**
       * Return the tests included in this test suite.
       */
      public static Test suite()
      {
          return new TestSuite(StringValueParserTest.class);
      }
      
      /**
       * Construct a new instance of this test case.
       *
       * @param name  Name of the test case
       */
      public StringValueParserTest(final String name)
      {
          super(name);
      }
      
      protected StringValueParser parser;
      
      /**
       * Set up instance variables required by this test case.
       */
      protected void setUp()
      {
          parser = new StringValueParser();
      }
      
      /**
       * Tear down instance variables required by this test case.
       */
      protected void tearDown()
      {
          parser = null;
      }
      
      
      /////////////////////////////////////////////////////////////////////////
      //                               Tests                                 //
      /////////////////////////////////////////////////////////////////////////
      
      public void testDefault() throws Exception
      {
          String value = "${java.home}";
          String result = parser.parse(value);
          assertEquals(result, System.getProperty("java.home"));
      }
      
      public void testSubst() throws Exception
      {
          String value = "BEFORE${java.home}AFTER";
          String result = parser.parse(value);
          assertEquals(result, "BEFORE" + System.getProperty("java.home") + "AFTER");
      }
      
      public void testVariable() throws Exception
      {
          String myvar = "this is my variable";
          parser.getVariables().put("my.var", myvar);
          
          String value = "${my.var}";
          String result = parser.parse(value);
          assertEquals(result, myvar);
      }
      
      public void testFlatVariable() throws Exception
      {
          String myvar = "this is my variable";
          parser.getVariables().put("my.var", myvar);
          parser.getVariables().put("my", "not used");
          
          String value = "${my.var}";
          String result = parser.parse(value);
          assertEquals(result, myvar);
      }
      
      public void testSyntax() throws Exception
      {
          String value = "${java.home";
              
          try {
              String result = parser.parse(value);
              assertTrue("Should have thrown an exception", false);
          }
          catch (Exception ignore) {}
      }
  }